59.1% more mAH battery than Samsung Jack i637. More battery capacity reduces the need to charge your battery again. (1480 mAH, Li-ion vs. 930 mAH, Li-Po)
7.1 grams Lighter than Samsung Jack i637. light weight phone is easy to hold and can kept in your pocket for long time. (95 grams vs. 102.1 grams)
0.7 mm Thinner than Samsung Jack i637. Slim mobile phone is easy to handle and looks gorgeous in hand. (104 x 46 x 12 mm vs. 117 x 61 x 12.70 mm)
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